Re: 1975 Chevy K10 Scottsdale Rebuild.
And my solution to the problematic heat riser exhaust valve. I knocked out the shaft and drilled and tapped the hole for a bolt.
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90 Chevy Suburban 2500 5.3 swap/th400/np241/14bltSF/10blt.
77 C20 crew cab Silverado. 396/th400. In work.
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